查询词典 acrylic acid

Nitric acid media most common metal corrosion in nitric acid was rapidly destroyed, stainless steel is the most Gate Valves widely used nitric acid-resistant materials, all concentrations of nitric acid at room temperature have good corrosion resistance, it is worth mentioning that the stainless steel containing molybdenum ( such as 316,316 L) of nitric acid corrosion resistance is not only no better than ordinary stainless steel (eg 304,321), and sometimes even better.

硝酸介质一般金属大多在硝酸中被迅速腐蚀破坏，水力控制阀不锈钢是应用最广的耐硝酸材料，对常温下一切浓度的硝酸都有良好的耐蚀性，值得一提的是含钼的不锈钢（如316、316L）对硝酸的耐蚀性不仅不优于普通不锈钢（如304、321），有时甚至不如。

Treatments contained skim milk and 50 g fat from high–oleic acid safflower and canola oils (monounsaturated fatty acid; MUFA), MUFA + 3.5 g α-linolenic acid (ALA; MUFA + ALA) from high-ALA canola oil, or MUFA + 4.0 g both eicosapentaenoic acid and docosahexaenoic acid (DHA; MUFA + EPA/DHA) from sardine oil.

处理因素为：脱脂奶及50g脂肪（来源于含高油酸的草红花和芸苔油）（单不饱和脂肪酸，MUFA组）， MUFA＋3.5g γ－亚麻酸（来源于高γ－亚麻酸含量的芸苔油），MUFA＋4.0g二十碳五烯酸和二十二碳六烯酸（MUFA+EPA/DHA组）。

The main component dehydroabietic acid and little component abietic acid, neoabietic acid, levopimaric acid and pulustic acid of a few types disproportionated rosin were determinated quantitatively by selecting the proper order of derivative, differential wavelength difference, scanning rate and quantitative method.

通过选择合适的求导阶数、微分波长差、扫描速度和定量方法，对不同批号的歧化松香中的主成分脱氢枞酸和微量组分枞酸、新枞酸、左旋海松酸及长叶松酸进行了测定(其中左旋海松酸和长叶松酸测定的是合量)，实验结果令人满意。

Synthesis of Butyle Acylate with acrylic acid and butyl alcohol at the catalysis of ethand by heteropoly acid in reduced pressure distillation were described in this paper.

由于丙烯酸正丁酯沸点较高，在常压下蒸馏易发生自身聚合反应而影响产率，所以采用减压蒸馏以降低其沸点。

The side-chain liquid crystal polymacrylate was synthesized by free radical polymerization form the acrylate monomer which was generated from p-hydroxy benzoic acid, ethylene chlorohydrin and acrylic acid by etherification, esterification and chloration.

以对羟基苯甲酸、氯乙醇和丙烯酸为主要原料，经醚化、酯化和酰氯化反应合成了中间体和含液晶基元的丙烯酸酯单体，后者经自由基聚合合成了聚丙烯酸酯侧链液晶聚合物。

A process for the hydrolysis of acrylonitrile to acrylic acid, and for the hydrolysis of methacrylonitrile to methacrylic acid, in high yield and at high concentration with high specificity is disclosed, wherein an enzyme catalyst is used.

本发明提供一种高产率、高专一性和高浓度的将丙烯腈水解为丙烯酸的方法和将甲基丙烯腈水解为甲基丙烯酸的方法。

It includes the following steps: polymerizing 2, 4-dihydroxyl metaphenylene diamine hydrochloride, diamine monomer and dipic acid anhydride to gain the polyimide that contains hydroxy on the molecule chain, making the hydroxyl take esterification reacting with acyl chloride and acrylic acid to gain polyimide photosensitive material that has negative photonasty.

该聚酰亚胺光敏材料以2，4-二羟基间苯二胺盐酸盐，二胺单体和二酸酐为原料进行聚合，得到分子链上含羟基的聚酰亚胺，然后使羟基与丙烯酸及其衍生物的酰氯发生酯化反应，得到具有负性感光性能的聚酰亚胺光敏材料。

The amphoteric fatliquor of N-amidel- polyethylene polyamine -β-aminopropionic acid types has been synthesized by nature oil and fat reaction with polyethylene polyamine and acrylic acid .

用天然油脂、多乙烯多胺和丙烯酸合成制得N -酰胺基多乙烯多胺-β-氨基丙酸型两性加脂剂，最佳合成条件分两步的反应温度分别控制在 10 0℃及 12 0℃、两步反应时间分别为 2h和 4h ，天然油脂与多乙烯多胺及丙烯酸的物质量的比为 1：0 。

In present study, a liquid-liquid extraction method was employed to extract the volatile components in mulberry fruit sparkling wine. The analysis with gas chromatography-mass spectrometry detected 69 peaks, among which 63 volatile components were identified. The first 9 volatile components with high relative content were benzyl alcohol, 2-methyl-1-butanol, mono-(2-ethylhexyl)-1, 2-benzene dicarboxylic acid, 3-methyl-1-butanol, toluene, acrylic acid butyl ester, 1H-indole-3-ethanol, isodecyl octyl phthalate and decyl octyl phthalate.

采用液－液萃取法提取桑椹汽酒中的挥发性成分，经气相色谱－质谱联机分析，共检测出69个峰，鉴定出63种挥发性化合物，其相对含量排在前9位的挥发性化合物分别是苯乙醇、2-甲基－1-丁醇、1，2-苯二酸单（2-乙基）己酯、3-甲基－1-丁醇、甲苯、丙烯酸丁酯、1H-吲哚－3-乙醇、邻苯二甲酸异癸基辛基二酯、邻苯二甲酸癸基辛基二酯。

The copolymers with high molecular weight synthesized from 2-acrylamio-2-methyl propane sulfonic acid and acrylic acid or acrylamide or other water soluble monomers can be used to purification of wastewater and as the dehydrant of organic slurry.

2-丙烯酰胺基-2-甲基丙磺酸和丙烯酸或丙烯酰胺等水溶性单体的高分子量共聚物，可用于废水的净化，还可作为有机污泥的脱水剂。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。